SKU: 46836293111
msu plant fertilizer

msu plant fertilizer MSU Fertilizer (13-3-15) With Calcium & Magnesium and Other Essential

Sale price$26.08 Regular price$28.98
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Description

msu plant fertilizer MSU Fertilizer (13-3-15) With Calcium & Magnesium and Other EssentialFormulated for Tap Water, Rain Water, and Reverse Osmosis Water Manufactured by Greencare. Includes measuring scoop and usage guide. Bags are resealable zip bag which are airtight and waterproof. The nutritional program at Michigan State University is vastly different from the majority of recommendations circulating within the horticultural world about the fertilization of orchids. This fertilizer is now being referred to as Michigan State Universitys

Formulated for Tap Water, Rain Water, and Reverse Osmosis Water

Manufactured by Greencare. Includes measuring scoop and usage guide. Bags are resealable zip bag which are airtight and waterproof.

The nutritional program at Michigan State University is vastly different from the majority of recommendations circulating within the horticultural world about the fertilization of orchids. This fertilizer is now being referred to as “Michigan State University’s Magic Fertilizer.” This RO Water Special or 13-3-15, was designed for a pure water source like rainwater or reverse-osmosis (RO) purified water or water that has been treated for city use such as tap water. Due to the extreme variability of well-water mineral content, the RO Water Special formula is the preferred choice for the home grower. 

The MSU Fertilizers were designed and formulated for use in the MSU research and teaching greenhouse ranges on a broad range of horticultural crops: Easter lilies, poinsettias, annual bedding flowers, perennials — just about everything but orchids, but the formula proved to be exceptionally good for them.

It is recommended give two to three applications of the fertilizer followed by a generous root drench of water (Fertilize for three weeks, then the 4th week just apply regular water to flush out any salts which may have built up in the pots).

Our packaging is perfect for those with small collections. Each bag contains 100% original Greencare granulated MSU Fertilizer with a measuring scoop included. The package is a metal mylar package with a resealable zipper to ensure no moisture intrusion. Small packages were specifically chosen to allow for cheaper shipping options, to help with storage as well as to reduce any large loss from potential moisture exposure (Those of you who have lost a 5lb bag of fertilizer to moisture intrusion will know just how frustrating this is)

 Nitrate Nitrogen (N)                                        13%

           Nitrate Nitrogen 12.5%

           Ammoniacal Nitrogen 0.7%

     Phosphorus (P2O5)                                      3%

     Potassium (K2O)                                          15%

     Calcium (Ca)                                                   8%

     Magnesium (Water Soluble Mg)              2%

     Boron (Soluble B)                                 0.018%

     Copper (Soluble Cu)                           0.044%

     Iron (Chelated Fe)                                0.177%

     Manganese (Soluble Mn)                  0.088%

     Molybdenum                                          0.018%

     Zinc (Soluble Zn)                                 0.044%


Derived from: ammonium phosphate, boric acid, calcium nitrate, copper sulphate, iron EDTA, magnesium nitrate, manganese sulfate, potassium nitrate, sodium molybdate and zinc sulfate.

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SKU: 46836293111

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Gabby
Louisville, US
★★★★★ 5
Rottweiler approved
Color: Purple
My Rottweiler puppies love these bones. I feel good about letting them play with these and not worry they will break or that they can choke because they are durable and a good size and weight. I like the variety and can put peanut butter on the crevices if I want to give as a treat. Worth the money!
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Reviewed in the United States on June 7, 2026
J
Verified Purchase
Jamie
Charlottesville, US
★★★★★ 5
Durable, lightweight, dogs love em
Color: Purple
The most durable, perfect weight,all 3 dogs have the best time chewing them. Easy to unpack and carry around. All 3 dogs enjoy, this is my 2nd time purchasing in a year, they last about 6 months per purchase time
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Reviewed in the United States on May 17, 2026
M
Verified Purchase
Michelle Tucker
Carnegie, US
★★★★★ 5
Perfect for the aggressive chewer
Color: Purple
I purchased these because I have a 1-year-old black lab redbone coonhound mix who destroys every toy and Bone. I have gotten him in a short amount of time... These things have outstanded this little guy and he is still enjoying them! Keeps him occupied and satisfies his chewing for hours! And he leaves my shoes alone haha
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Reviewed in the United States on June 10, 2026
R
Verified Purchase
Riley Lee
Cuba, US
★★★★★ 5
Best for all chewers!
Color: Purple, Color: Purple
I purchased in February and waited until ive had them long enough to make a justified review. I have a very VERY aggressive chewer. He destroys every toy he gets within minutes or a hour. We didnt expect much out of these but why not. Let me tell you... they only have small teeth dents. No cracks, no breaks, no chunks missing, none in the trash, no bleeding gums... nothing. My chewer loves them. First day he just stared at them like they were alien objects but after we played fetch a few times it was on!! Now all three dogs chewer on them. I would say im purchasing again but I dont know when that will be lol I highly recommend to anyone!! Photo is taken today 6/4/26
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Reviewed in the United States on June 4, 2026
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Verified Purchase
Daniel
Dallas, US
★★★★★ 4
My pit bull loves them.
Color: Purple
I picked up the Frienhund Tough Dog Toys 3-pack for my large, heavy chewer, and overall I’m pretty impressed. Right out of the box, the toys feel solid and well-made—definitely more durable than your average chew toy. My dog usually destroys new toys within a day or two, but these have held up significantly longer, which is a big win. They also do a great job of keeping him occupied. The shapes and textures seem to keep his interest, and I’ve noticed less destructive chewing on furniture since introducing these. That alone makes them worth it. The only reason I’m giving 4 instead of 5 stars is that while they’re very tough, they’re not completely “indestructible” (despite the claim). After a couple of weeks of heavy use, there are some visible wear marks. Still, compared to most other toys we’ve tried, these last much longer. Overall, a great option for medium to large dogs that are aggressive chewers—durable, engaging, and a solid value for a 3-pack.
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Reviewed in the United States on April 17, 2026

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